11903523137 has 16 divisors (see below), whose sum is σ = 13046007744. Its totient is φ = 10771200000.

The previous prime is 11903523113. The next prime is 11903523143. The reversal of 11903523137 is 73132530911.

It is not a de Polignac number, because 11903523137 - 2²⁰ = 11902474561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11903523097 and 11903523106.

It is not an unprimeable number, because it can be changed into a prime (11903523157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2973137 + ... + 2977137.

It is an arithmetic number, because the mean of its divisors is an integer number (815375484).

Almost surely, 2^11903523137 is an apocalyptic number.

It is an amenable number.

11903523137 is a deficient number, since it is larger than the sum of its proper divisors (1142484607).

11903523137 is a wasteful number, since it uses less digits than its factorization.

11903523137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200.

The product of its (nonzero) digits is 17010, while the sum is 35.

The spelling of 11903523137 in words is "eleven billion, nine hundred three million, five hundred twenty-three thousand, one hundred thirty-seven".